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Why does JavaScript only work after opening developer tools in IE once?
...undefined. After the toolbar has been opened, the console will exist (even if the toolbar is subsequently closed), so your console calls will then work.
There are a few solutions to this:
The most obvious one is to go through your code removing references to console. You shouldn't be leaving stuff...
MySQL Cannot drop index needed in a foreign key constraint
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That's great, but what can I do if my FOREIGN KEY constraint was anonymous?
– Pehat
Jul 8 '16 at 14:48
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Android: Force EditText to remove focus? [duplicate]
I would like to be able to remove the focus from the EditText. For example if the Keyboard appears, and the user hides it with the back button, I would like the focus and the cursor to disappear. How can it be done?
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Gson - convert from Json to a typed ArrayList
...stom class JsonLog ? Basically, JsonLog is an interface implemented by different kinds of logs made by my Android app--SMS logs, call logs, data logs--and this ArrayList is a collection of all of them. I keep getting an error in line 6.
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How to implement not with if statement in Ember Handlebars?
...ess}}
Also keep in mind that you can insert an {{else}} in between an {{#if}} or {{#unless}} and the closing tag.
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Calculating arithmetic mean (one type of average) in Python
...is a bad variable name because it looks so much like 1. Also, I would use if l rather than if len(l) > 0. See here
– zondo
Apr 13 '16 at 22:40
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Key existence check in HashMap
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Do you ever store a null value? If not, you can just do:
Foo value = map.get(key);
if (value != null) {
...
} else {
// No such key
}
Otherwise, you could just check for existence if you get a null value returned:
Foo value = map.get(key);
if (v...
Should I URL-encode POST data?
I'm POSTing data to an external API (using PHP, if it's relevant).
4 Answers
4
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Passing an integer by reference in Python
...ide your function you have an object -- You're free to mutate that object (if possible). However, integers are immutable. One workaround is to pass the integer in a container which can be mutated:
def change(x):
x[0] = 3
x = [1]
change(x)
print x
This is ugly/clumsy at best, but you're not g...
How to sort an array of associative arrays by value of a given key in PHP?
... It shouldn't require any change to work with numeric keys. If you're hitting a bug or weird behaviour related to numeric keys, post it as a new question.
– Josh Davis
Jan 5 '12 at 0:22
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